Biochemical and Physiological Studies of Certain Ticks (Ixodoidea). Protein Electrophoretic Studies of Certain Biological Fluids of Argas (Argasidae) and Hyalomma (Ixodidae)1

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Abstract
Hemolymph proteins were studied qualitatively by electrophoretic methods in different physiological states of both sexes and nymphs of 2 species of the genus Argas (family Argasidae) and 2 species of the genus Hyalomma (family Ixodidae). The coxal fluid proteins of the Argas ticks were also investigated. All samples contained proteins. Lipoproteins were detected in most and glycoproteins in about 1/2 of the samples. In the anionic system, up to 9 and 12 fractions separated in Argas and Hyalomma, respectively. In the cationic system, there were no more than 4 fractions. Tick hemolymph and host plasma protein patterns were dissimilar. Intrageneric hemolymph protein patterns were essentially alike. There were more and a greater variety of fractions in Hyalomma than in Argas. These patterns differed only slightly in males and females; vitellogenins may be present. There were more hemolymph protein fractions in nymphs than in adults. Lipoproteins and glycoproteins did not change significantly when nymphs molted to adults. Following engorgement, hemolymph protein fraction numbers increased in Hyalomma but not in Argas. Electrophoretograms of Argas coxal fluid and hemolymph were much alike.

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